56741557 has 4 divisors (see below), whose sum is σ = 56758240. Its totient is φ = 56724876.

The previous prime is 56741537. The next prime is 56741561. The reversal of 56741557 is 75514765.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56741557 - 2¹⁵ = 56708789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56741537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203 + ... + 10720.

It is an arithmetic number, because the mean of its divisors is an integer number (14189560).

Almost surely, 2^56741557 is an apocalyptic number.

It is an amenable number.

56741557 is a deficient number, since it is larger than the sum of its proper divisors (16683).

56741557 is a wasteful number, since it uses less digits than its factorization.

56741557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16682.

The product of its digits is 147000, while the sum is 40.

The square root of 56741557 is about 7532.6991842234. The cubic root of 56741557 is about 384.2675837683.

It can be divided in two parts, 567 and 41557, that added together give a palindrome (42124).

The spelling of 56741557 in words is "fifty-six million, seven hundred forty-one thousand, five hundred fifty-seven".